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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 579 (Climate Control System - General Information And Diagnostics) >> Description And Operation >> Climate Control System >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Component Description >> A/C Pressure Transducer

A/C Pressure Transducer

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

The PCM monitors the discharge pressure measured by the A/C pressure transducer. As the refrigerant pressure changes, the resistance of the A/C pressure transducer changes. It is not necessary to recover the refrigerant before removing the A/C pressure transducer.

The PCM supplies a 5-volt reference voltage and ground to the A/C pressure transducer. The A/C pressure transducer then sends a voltage to the PCM to indicate the A/C refrigerant pressure.

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